Glossary

Explore Meshline

Products Pricing Blog Support Log In

Ready to map the first workflow?

Book a Demo

Glossary / Evaluation and implementation guide

Supply-Side Platform (SSP)

A Supply-Side Platform (SSP) is software that publishers use to sell ad inventory programmatically.

It connects a publisher's ad space to multiple demand sources, runs real-time auctions, and enforces floor prices and brand-safety rules so impressions sell at competitive rates.

Explore this category

A practical example

Example: a news site with 40 million monthly impressions connects its inventory to an SSP, sets a $2.50 CPM floor for premium placements, and lets advertisers bid in real time for each impression.

What to evaluate before investing

  • Confirm which demand sources and exchanges the SSP integrates with, since thin demand lowers clearing prices.
  • Verify header bidding or server-side bidding support and how latency is handled on your pages.
  • Review reporting depth: bid-level data, fill rates, and floor-price analytics you can actually export.

Limitations and tradeoffs

An SSP serves the publisher's revenue, not the advertiser's efficiency. Buyers running campaigns need a DSP or agency side; owning an SSP only matters if you sell inventory.

Plan your next step with MeshLine

Connect this decision to your automation, organic marketing and customer lifecycle management. In a MeshLine demo, discuss your existing tools, the scope you need and how to measure the result.

Explore MeshLine solutionsEvaluate pricing and scopeBook a demo